Answer: natural selection
 
        
             
        
        
        
D identity disorder is characterized by the presence of two or more distinct personality identities. Each may have a unique name, personal history, and characteristics.
 
        
                    
             
        
        
        
The answer would be meiosis 2 because in this separation of sister chromatids occur which is similar if not identical to mitosis.
        
             
        
        
        
Answer:
Electromagnetic waves can travel through a vacuum, that is an empty space, whereas mechanical waves cannot. They need a medium to travel such as water or air. Ripples in a pond are an example of mechanical waves whereas electromagnetic waves include light and radio signals, which can travel through the vacuum of space.
Explanation: